As of 2010-2014, the total population of Delavan Lake is 2,665, which is 13.31% more than it was in 2000. The population growth rate is much higher than the state average rate of 6.73% and is higher than the national average rate of 11.61%. The Delavan Lake population density is 403.53 people per square mile, which is much higher than the state average density of 87.40 people per square mile and is much higher than the national average density of 82.73 people per square mile. The most prevalent race in Delavan Lake is white, which represent 96.02% of the total population. The average Delavan Lake education level is higher than the state average and is higher than the national average.